3. What is a Database? (Part 4 of 4)When you submit a query to an SQL database using SQL, the database will consult its data dictionary and access the tables you have requested data from. It will then put together a "view" based upon the criteria you have defined in your SQL query.
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4. What is a Database? (Part 3 of 4)The Relational Model developed out of the work done by Dr. E. F. Codd at IBM in the late 60s who was looking for ways to solve the problems with the existing models...

5. What is a Database? (Part 2 of 4)These days, when you talk about
databases in the wild, you are primarily talking about two
types: analytical databases and operational databases...

6. What is a Database? (Part 1 of 4)Databases, a creature of the 60s, were created to solve the problems with file-oriented systems in that they were compact, fast, easy to use, current, accurate, allowed the easy sharing of data between multiple users, and were secure.
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